A DUCT WITH INTERNAL SPIRAL RIBS

The invention provides for a method of designing spiral ribs for a duct used in cable blowing comprising the steps of selecting an apex angle of rib in the range of 80 to 120 degrees; determining the longitudinal spacing between the ribs from the cable thickness and mass; deriving a range of values...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	VEERAVALLI, SRINIVAS, V, KIYAWAT, VIJAY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES INSULATORS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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